undetricesimus

• (Classical) IPA^(key): /uːn.deː.triːˈkeː.si.mus/, [uːn̪d̪eːt̪riːˈkeːs̠ɪmʊs̠]
• (Ecclesiastical) IPA^(key): /un.de.triˈt͡ʃe.si.mus/, [un̪d̪et̪riˈt͡ʃɛːs̬imus]

ūndētrīcēsimus (feminine ūndētrīcēsima, neuter ūndētrīcēsimum); first/second-declension numeral

1. twenty-ninth
   • 59 BC–AD 17, Titus Livius, Ab Urbe Condita 25.36:

     anno octauo postquam in Hispaniam uenerat, Cn. Scipio undetricesimo die post fratris mortem est interfectus.

     Cneius Scipio was slain in the eighth year after his arrival in Spain, and on the twenty-ninth day after the death of his brother.

   • c. 177 CE, Aulus Gellius, Noctes Atticae 10.5:

     “Avarus” non simplex vocabulum, sed iunctum copulatumque esse P. Nigidius dicit in commentariorum undetricesimo.

     Publius Nigidius, in the twenty-ninth book of his Commentaries, declares that avarus is not a simple word, but is compounded of two parts.

First/second-declension adjective.